69901660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81281}}^1$

素因数の和:81333

約数の個数: 24

約数和(自身を含む): 150209136

約数和(自身を除く): 80307476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 81281, 162562, 325124, 406405, 812810, 1625620, 3495083, 6990166, 13980332, 17475415, 34950830, 69901660]

約数ペア:

[(1, 69901660), (2, 34950830), (4, 17475415), (5, 13980332), (10, 6990166), (20, 3495083), (43, 1625620), (86, 812810), (172, 406405), (215, 325124), (430, 162562), (860, 81281)]